IL41075A - Mass transfer device having a wound tubular diffusion membrane - Google Patents

Mass transfer device having a wound tubular diffusion membrane

Info

Publication number
IL41075A
IL41075A IL41075A IL4107572A IL41075A IL 41075 A IL41075 A IL 41075A IL 41075 A IL41075 A IL 41075A IL 4107572 A IL4107572 A IL 4107572A IL 41075 A IL41075 A IL 41075A
Authority
IL
Israel
Prior art keywords
core
conduits
conduit
fluid
adjacent
Prior art date
Application number
IL41075A
Other versions
IL41075A0 (en
Original Assignee
Baxter Laboratories Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Baxter Laboratories Inc filed Critical Baxter Laboratories Inc
Publication of IL41075A0 publication Critical patent/IL41075A0/en
Publication of IL41075A publication Critical patent/IL41075A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02—Hollow fibre modules
    • B01D63/026—Wafer type modules or flat-surface type modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02—Hollow fibre modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02—Hollow fibre modules
    • B01D63/021—Manufacturing thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02—Hollow fibre modules
    • B01D63/021—Manufacturing thereof
    • B01D63/0233—Manufacturing thereof forming the bundle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S128/00—Surgery
    • Y10S128/03—Heart-lung

Abstract

1408569 Dialysis apparatus BAXTER LABORATORIES Inc 21 Dec 1972 [10 Jan 1972] 59279/72 Heading B1X A mass transfer device comprises core 10 which in the embodiment shown is permeable, a plurality of layers 14, 17 of hollow, tubular conduit sections of semi-permeable membrane material laid one on the other and supported by the core, each conduit section extending from end to end of the core in a substantially straight path, adjacent conduit sections of each layer being substantially parallel to one another and adjacent conduit sections of adjacent layers being in contact and crossing each other at an angle and the exteriors of the conduit sections being encapsulated by spaced bands of sealing material, first means 47, 48, 50, 52 for passing a first fluid through the conduit sections in contact with the interior walls of the conduit sections and second means 28, 32 42, 44 for passing a second fluid through the layers of conduit sections in contact with the exterior walls of the conduit sections. The device may be used in dialysis or oxygenation of blood. In the embodiment of Fig. 12 (not shown) the inner core is impermeable to liquid. (From GB1408569 A) [FR2167830A1]

Claims (12)

1. CLAIMS X* A mass transfer device which com rises a core, a plurality of Xayers of hollow, t buXar conduits of semi-permeable membrane stacked one on another with aXX adjacent Xayers being in direct contact with each other, and supported by said core on an external surface thereof, said conduits extending directXy from end to end of said core, each individual layer having a pXuraXlty of separate adjacent conduits disposed general y par XXeX to each other, and the adjacent conduits of adjacent Xayers crossing each other at an angXe, the exteriors of said conduits being encapsulated by spaced bands of seaXlng materiaX at opposite ends of said core, said conduits having open ends, and first manifold means for passing one fluid to a end of said core and through said conduits in contact tilth interior conduit walls, and second manifold means for passing another fluid through said layers of conduits in contact with exterior conduit walls between the ends of said core*
2. The mass transfer device of Claim X in which said first manifold means carries oxyge and said second manifold means carries blood* - -
3. The device of Claim 2 in which the flow paths of oxygen and blood through said mass transfer device are generally cross-current to each other*
4. mass transfer device which comprises a porous, fXuid-permeabie core, a pXuraXity of layers of hollow, tubuXar conduits of semipermeable membran stacked one on another and supported by said core on an external surface thereof, said conduits extending directXy from end to end of said core, the adjacent conduits of each individual layer bein generaXX paraXXeX to each other, and the adjacen conduits of adjacent Xayers crossing each other at an angle and laying in direct contact with each other, the exterior extremities of said 4X075/2 conduits baing encapsulated by spaced bands of sealing material at opposite ends of said core, said conduits having bores with open ends, first delivery means to provide a separate, sealed fluid flow path to the bores at one end of said tubular conduits, second delivery means to provide a sealed fluid flow path into and within said core communicating through said core with the exterior surfaces of said conduits, first collection means for receiving spent fluid from the other end of said conduit bores and for conveying said fluid away from said device,, and second collection means to collect fluid passing through the core and conduit layers, and for conveying said fluid away from the device,
5. The device of Claim 4 in which said first delivery means comprises a disc-like manifold communicating with said one end of the bores of the hollow tubular conduits disposed about said core*
6. The device of Claim 5 further comprising means forming a cup-shaped manifold space within said core, said space being sealed to prevent fluid communication with the interiors of said conduits and to permit fluid communication with the exteriors of said conduits, and in which said second delivery means comprises a single inlet tube communicating with said cup-shaped manifold space whereby fluid is uniformly distributed along exposed portions of hollow tubular conduit exteriors.
7. · The device of Claim δ in which said first delivery means receives oxygen and said second delivery means receives blood.
8. A mass transfer device which comprises a fluid Impermeable core closed at both ends, a plurality of layers of hollow tubular conduits of semipermeable membrane stacked one on another and supported by said core on an external surface thereof, said conduits extending from end to end of said core, the adjacent conduits of each individual layer being generally 41075/2 φ of said conduits being encapsulated by spaced bands of sealing material at opposite ends of said core, said conduits having bores with open ends, and first manifold means which comprises an inlet tube and a distribution chamber to pass a first fluid to one end of said core and through the bores fluid, and for conveying it away*
9. * She mass transfer device of Claim 8 in which said first fluid is oxygen and second fluid Is blood*
10. « The mass transfer device o Claim 8 in which said ad acent conduits of adjacent layers ar in direct contact with each other, and each individual conduit winding extends directl fom end to end of said core.
11. · In a method of assembling a mass transfer device, the improvement comprisin s winding a continuous hollow tubular conduit of semi-permeable material on a core in a plane which defines an acute angle to the longitudinal axis of said core and intersects the ends of said core, while relatively rotating said core about its longitudinal axis with respect to said plane, to laterally/ displace each winding of said conduit from its immediately preceding winding to form a multilayer winding of said conduit in which individual adacent windings of said conduit in the same layer are generally parallel to each other* and individual adjacent windings of said conduit in adjacent layers define an angle with each other; potting the ends of said core transverse to said tubular conduit windings with a curable sealant; curing said sealant at each end to a unitary mass; and cutting transversely to the axis between said core ends through a medial portion of each said unitary mass at each core end to sever said conduit windings Into a plurality of individual conduit sections, said sections being secured together at their ends by portions of said unitary mass, and having their hollow bores open to th exterior..
12. The method of Claim 11 in which said acute angle is from 10° to 50°, and said core is rotated from 2° to 10° about its longitudinal axis per winding of the tubular conduit. 13· The method of Claim 12 in which manifolds are installed to define a first fluid flow path through the hollow bores of said individual conduit sections, and a separate, second fluid flow path about the exterior surfaces of said individual conduit sections*
IL41075A 1972-01-10 1972-12-13 Mass transfer device having a wound tubular diffusion membrane IL41075A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21666972A 1972-01-10 1972-01-10

Publications (2)

Publication Number Publication Date
IL41075A0 IL41075A0 (en) 1973-02-28
IL41075A true IL41075A (en) 1976-01-30

Family

ID=22808019

Family Applications (1)

Application Number Title Priority Date Filing Date
IL41075A IL41075A (en) 1972-01-10 1972-12-13 Mass transfer device having a wound tubular diffusion membrane

Country Status (15)

Country Link
US (1) US3794468A (en)
JP (1) JPS4881393A (en)
AU (1) AU5018672A (en)
BE (1) BE793624A (en)
BR (1) BR7300171D0 (en)
CA (1) CA988436A (en)
DE (1) DE2300312A1 (en)
FR (1) FR2167830B3 (en)
GB (1) GB1408569A (en)
IE (1) IE37462B1 (en)
IL (1) IL41075A (en)
IT (1) IT1006564B (en)
NL (1) NL7300198A (en)
SE (1) SE415144B (en)
ZA (1) ZA728889B (en)

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Also Published As

Publication number Publication date
CA988436A (en) 1976-05-04
JPS4881393A (en) 1973-10-31
BE793624A (en) 1973-05-02
FR2167830A1 (en) 1973-08-24
IL41075A0 (en) 1973-02-28
FR2167830B3 (en) 1976-01-09
IE37462B1 (en) 1977-08-03
SE415144B (en) 1980-09-15
IE37462L (en) 1973-07-10
BR7300171D0 (en) 1973-12-18
ZA728889B (en) 1973-09-26
DE2300312A1 (en) 1973-07-26
US3794468A (en) 1974-02-26
GB1408569A (en) 1975-10-01
AU5018672A (en) 1974-06-20
NL7300198A (en) 1973-07-12
IT1006564B (en) 1976-10-20

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